Module: Analytical Hillshading
(c) 2003 by O.Conrad
Menu: Terrain Analysis > Lighting
Description
Analytical hillshading calculation.
Parameters
NameTypeIdentifierDescriptionConstraints
Input
Elevation Grid (input)ELEVATION
Output
Analytical HillshadingGrid (output)SHADEThe angle between the surface and the incoming light beams, measured in radians.
Options
Shading MethodChoiceMETHODAvailable Choices:
[0] Standard
[1] Standard (max. 90Degree)
[2] Combined Shading
[3] Ray Tracing
Azimuth [Degree]Floating pointAZIMUTHDirection of the light source, measured in degree clockwise from the north direction.
Declination [Degree]Floating pointDECLINATIONDeclination of the light source, measured in degree above the horizon.
ExaggerationFloating pointEXAGGERATIONThe terrain exaggeration factor allows to increase the shading contrasts in flat areas.